I am first checking the ignition timing then if it is off I will adjust, on a 3s-fe engine 1992 with distributor. My question is when I point the stroboscopic light at crankshaft pulley I should not have the mark align with 0 it should be as follow.
Ignition timing (with diagnostic terminals connected - ) 10° BTDC
Ignition timing (with diagnostic terminals disconnected - ) 10° to 20° BTDC
The problem is i minor misfire on crusing speed good acceleration and start right away so I really don't expect timing to be off and there is brand new spark plugs and HT lead is ok measured as specification. I also have no erratic vacuum that should indicate valve problem. When I get a hose that I can connect to the cold start line I will check the fuel pressure I do not now when fuel filter is changed but it seems brand new.
Ignition timing (with diagnostic terminals connected - ) 10° BTDC
Ignition timing (with diagnostic terminals disconnected - ) 10° to 20° BTDC
The problem is i minor misfire on crusing speed good acceleration and start right away so I really don't expect timing to be off and there is brand new spark plugs and HT lead is ok measured as specification. I also have no erratic vacuum that should indicate valve problem. When I get a hose that I can connect to the cold start line I will check the fuel pressure I do not now when fuel filter is changed but it seems brand new.